Load Specifications
Load data in caliber .28 Nosler with .284 | 145gr | Prvi Partizan SP bullet and 71 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Vihtavuori N560.
Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.
Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.
Charge: Powder weight in grains. Start with the minimum load and work up carefully.
FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.
MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.
V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.
z (Powder Burn): Estimated propellant combustion percentage at bullet exit.
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Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 92% | 56,840 psi | 87% | 3041 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 57,783 psi | 89% | 3074 fps | 100% |
| Accurate MAGPRO | <<locked>> | 90% | 55,666 psi | 86% | 3136 fps | 97.9% |
| ADI AR 2209 | <<locked>> | 90% | 58,653 psi | 90% | 3136 fps | 99.7% |
| ADI AR 2213 | <<locked>> | 92% | 56,623 psi | 87% | 3143 fps | 98.9% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 54,679 psi | 84% | 3104 fps | 99% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 49,284 psi | 76% | 3061 fps | 99.9% |
| Alliant Power Pro Varmint | <<locked>> | 88% | 55,071 psi | 85% | 3071 fps | 99.4% |
| Alliant Reloder-16 | <<locked>> | 86% | 58,726 psi | 90% | 3130 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 58,117 psi | 89% | 3123 fps | 99.7% |
| Alliant Reloder-22 | <<locked>> | 92% | 56,913 psi | 88% | 3136 fps | 99.6% |
| Alliant Reloder-23 | <<locked>> | 94% | 58,349 psi | 90% | 3107 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 98% | 58,102 psi | 89% | 3173 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 88% | 55,027 psi | 85% | 3133 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 57,812 psi | 89% | 3097 fps | 96.8% |
| Bofors RP15 | <<locked>> | 94% | 56,086 psi | 86% | 3123 fps | 99.5% |
| Bofors RP30ᴾ | <<locked>> | 100% | 57,856 psi | 89% | 3176 fps | 99.4% |
| Bofors RP5 | <<locked>> | 92% | 56,913 psi | 88% | 3136 fps | 99.6% |
| Bofors RP7 | <<locked>> | 82% | 55,753 psi | 86% | 3015 fps | 99.8% |
| Hodgdon H1000 | <<locked>> | 98% | 56,260 psi | 87% | 3130 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 82% | 55,448 psi | 85% | 3068 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 82% | 57,827 psi | 89% | 3084 fps | 99.7% |
| Hodgdon H4831 | <<locked>> | 90% | 56,246 psi | 87% | 3074 fps | 98.3% |
| Hodgdon H4831 SC | <<locked>> | 90% | 55,143 psi | 85% | 3054 fps | 98.2% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 55,187 psi | 85% | 2992 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 57,000 psi | 88% | 3255 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 55,985 psi | 86% | 3104 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,275 psi | 57% | 1955 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 57,696 psi | 89% | 3058 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 82% | 56,985 psi | 88% | 3035 fps | 100% |
| IMR 4831 | <<locked>> | 86% | 58,044 psi | 89% | 3064 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 56,971 psi | 88% | 3058 fps | 98.6% |
| IMR 7828 SSC | <<locked>> | 94% | 58,479 psi | 90% | 3182 fps | 99.2% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 44,715 psi | 69% | 2953 fps | 96.9% |
| Lovex S065 | <<locked>> | 84% | 58,001 psi | 89% | 3038 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 56,202 psi | 86% | 3031 fps | 100% |
| Lovex S071 | <<locked>> | 98% | 58,218 psi | 90% | 3061 fps | 100% |
| Norma 204 | <<locked>> | 84% | 55,143 psi | 85% | 3054 fps | 99.3% |
| Norma 217ᴾ | <<locked>> | 100% | 45,063 psi | 69% | 2982 fps | 99% |
| Norma MRP | <<locked>> | 90% | 56,797 psi | 87% | 3156 fps | 100% |
| Norma URP | <<locked>> | 84% | 55,912 psi | 86% | 3051 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 55,550 psi | 85% | 3140 fps | 99.1% |
| Ramshot Hunter | <<locked>> | 86% | 58,682 psi | 90% | 3114 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 58,291 psi | 90% | 3133 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,261 psi | 59% | 2005 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 57,841 psi | 89% | 3094 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 56,260 psi | 87% | 3120 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 57,928 psi | 89% | 3245 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 57,479 psi | 88% | 3202 fps | 98.5% |
| Rottweil R 904 | <<locked>> | 88% | 55,796 psi | 86% | 3045 fps | 98.8% |
| Rottweil R 905 | <<locked>> | 90% | 57,711 psi | 89% | 3114 fps | 99.7% |
| Rottweil R 907 | <<locked>> | 82% | 55,753 psi | 86% | 3015 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 84% | 58,001 psi | 89% | 3038 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 56,202 psi | 86% | 3031 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 56,985 psi | 88% | 2989 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 57,290 psi | 88% | 3107 fps | 99.6% |
| Somchem S361 | <<locked>> | 88% | 57,363 psi | 88% | 3035 fps | 98.5% |
| Somchem S365 | <<locked>> | 86% | 57,014 psi | 88% | 3058 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 58,204 psi | 90% | 3081 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 82% | 58,030 psi | 89% | 2976 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 57,638 psi | 89% | 3045 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 57,870 psi | 89% | 3064 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 84% | 56,840 psi | 87% | 3048 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 56,710 psi | 87% | 3081 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 56,434 psi | 87% | 3153 fps | 98.6% |
| Vihtavuori N565 | <<locked>> | 96% | 56,739 psi | 87% | 3133 fps | 98.8% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 58,044 psi | 89% | 3202 fps | 98.1% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 57,188 psi | 88% | 2995 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 55,651 psi | 86% | 3071 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 94% | 57,479 psi | 88% | 3196 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 58,204 psi | 90% | 3077 fps | 99.6% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 38,000 psi | 58% | 2690 fps | 98.2% |
| Accurate 4350 | <<locked>> | 80% | 50,502 psi | 78% | 2956 fps | 100% |
| Accurate MAGPRO | <<locked>> | 84% | 45,005 psi | 69% | 2930 fps | 95.3% |
| ADI AR 2209 | <<locked>> | 80% | 41,901 psi | 64% | 2822 fps | 96.9% |
| ADI AR 2213 | <<locked>> | 84% | 42,859 psi | 66% | 2874 fps | 95.8% |
| ADI AR 2217 | <<locked>> | 92% | 41,597 psi | 64% | 2841 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 88% | 32,982 psi | 51% | 2667 fps | 95.5% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 42,380 psi | 65% | 2825 fps | 97% |
| Alliant Reloder-16 | <<locked>> | 80% | 48,109 psi | 74% | 2959 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 41,989 psi | 65% | 2818 fps | 96.9% |
| Alliant Reloder-22 | <<locked>> | 80% | 37,869 psi | 58% | 2753 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 36,535 psi | 56% | 2713 fps | 99.9% |
| Alliant Reloder-25 | <<locked>> | 80% | 31,633 psi | 49% | 2618 fps | 96.8% |
| Alliant Reloder-26 | <<locked>> | 80% | 40,727 psi | 63% | 2867 fps | 99.6% |
| Baschieri & Pellagri 109 | <<locked>> | 90% | 51,039 psi | 79% | 2976 fps | 95.2% |
| Bofors RP15 | <<locked>> | 82% | 37,695 psi | 58% | 2746 fps | 95.4% |
| Bofors RP30 | <<locked>> | 90% | 41,162 psi | 63% | 2854 fps | 95.9% |
| Bofors RP5 | <<locked>> | 80% | 37,869 psi | 58% | 2753 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 52,243 psi | 80% | 2956 fps | 99.5% |
| Hodgdon H1000 | <<locked>> | 88% | 39,711 psi | 61% | 2799 fps | 95.8% |
| Hodgdon H414 | <<locked>> | 80% | 51,866 psi | 80% | 3005 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 80% | 54,201 psi | 83% | 3022 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 82% | 42,772 psi | 66% | 2818 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 84% | 44,904 psi | 69% | 2864 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 45,411 psi | 70% | 2835 fps | 100% |
| Hodgdon Retumbo | 70.3 gr | 84% | 35,360 psi | 54% | 2769 fps | 95.1% |
| Hodgdon Superformance | <<locked>> | 80% | 52,098 psi | 80% | 3038 fps | 99.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,949 psi | 43% | 1752 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 47,659 psi | 73% | 2884 fps | 99% |
| IMR 4451 Enduron | <<locked>> | 80% | 53,650 psi | 83% | 2982 fps | 99.8% |
| IMR 4831 | <<locked>> | 80% | 47,674 psi | 73% | 2894 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 41,437 psi | 64% | 2756 fps | 95% |
| IMR 7828 SSC | <<locked>> | 84% | 41,466 psi | 64% | 2854 fps | 95.5% |
| IMR 8133 Enduron | <<locked>> | 98% | 41,800 psi | 64% | 2890 fps | 96% |
| Lovex S065 | <<locked>> | 80% | 51,169 psi | 79% | 2927 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 49,516 psi | 76% | 2917 fps | 99.6% |
| Lovex S071 | <<locked>> | 80% | 32,619 psi | 50% | 2552 fps | 96.4% |
| Norma 204 | <<locked>> | 80% | 48,037 psi | 74% | 2927 fps | 98.2% |
| Norma 217 | <<locked>> | 92% | 34,229 psi | 53% | 2723 fps | 95.4% |
| Norma MRP | <<locked>> | 80% | 39,943 psi | 61% | 2828 fps | 97.7% |
| Norma URP | <<locked>> | 80% | 49,037 psi | 75% | 2936 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 41,321 psi | 64% | 2861 fps | 95.9% |
| Ramshot Hunter | <<locked>> | 80% | 47,950 psi | 74% | 2933 fps | 99.7% |
| Ramshot Magnum | <<locked>> | 82% | 34,389 psi | 53% | 2661 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,732 psi | 44% | 1795 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 50,386 psi | 78% | 2972 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 48,718 psi | 75% | 2995 fps | 100% |
| ReloadSwiss RS 76 | 75.2 gr | 84% | 34,548 psi | 53% | 2743 fps | 96.2% |
| ReloadSwiss RS 80 | <<locked>> | 94% | 45,411 psi | 70% | 2976 fps | 95.7% |
| Rottweil R 904 | <<locked>> | 80% | 43,047 psi | 66% | 2799 fps | 96.1% |
| Rottweil R 905 | <<locked>> | 80% | 41,452 psi | 64% | 2805 fps | 96.9% |
| Rottweil R 907 | <<locked>> | 80% | 52,243 psi | 80% | 2956 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 51,169 psi | 79% | 2927 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 49,516 psi | 76% | 2917 fps | 99.6% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 50,111 psi | 77% | 2874 fps | 99.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 41,104 psi | 63% | 2799 fps | 96.8% |
| Somchem S361 | <<locked>> | 80% | 43,888 psi | 68% | 2789 fps | 95.6% |
| Somchem S365 | <<locked>> | 80% | 46,456 psi | 71% | 2890 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 41,930 psi | 65% | 2782 fps | 97.8% |
| Vihtavuori N150 | <<locked>> | 80% | 54,331 psi | 84% | 2920 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 50,618 psi | 78% | 2933 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 36,448 psi | 56% | 2648 fps | 95.8% |
| Vihtavuori N550 | <<locked>> | 80% | 49,879 psi | 77% | 2933 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 40,930 psi | 63% | 2795 fps | 99.9% |
| Vihtavuori N560 | 71.2 gr | 82% | 42,772 psi | 66% | 2884 fps | 95.3% |
| Vihtavuori N565 | <<locked>> | 88% | 43,265 psi | 67% | 2877 fps | 95.8% |
| Vihtavuori N568 | <<locked>> | 94% | 46,615 psi | 72% | 2989 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 49,734 psi | 77% | 2884 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 52,083 psi | 80% | 3012 fps | 99.8% |
| Winchester StaBALL HD | <<locked>> | 80% | 33,185 psi | 51% | 2740 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 38,406 psi | 59% | 2703 fps | 95.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 71 powders for .28 Nosler loaded with the .284 | 145gr | Prvi Partizan SP. Hodgdon Retumbo delivers the highest muzzle velocity at 3,255 fps; across all powders the maximum-charge window runs from 1,955 fps to 3,255 fps. ADI AR 2217 gives the best case fill at 100 %, and 71 of the 71 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 145.0 gr projectile in 0.284" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Bofors RP30 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. Hodgdon Retumbo, ReloadSwiss RS 76, Vihtavuori N560 rank at the top here: for .28 Nosler with the .284 | 145gr | Prvi Partizan SP they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.